Portillo's Inc. (PTLO) Ownership
PTLO ownership summary
as of October 18, 2026- Institutions
- 67.3% of shares outstanding
- Insiders
- 8.02% of shares outstanding
- Shares outstanding
- 72.5M
- Float
- 67.5M shares available to trade
- Short interest
- 15.52% 10.5M shares short
- Days to cover
- 7.34 short interest up 0.0% vs prior month
- Institutions 67.33%
- Insiders 8.02%
- Other investors 24.66%
PTLO top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | BlackRock Inc | 6.77% | 4.9M | $22.9M | −210,200 (−4.1%) | June 30, 2026 |
| 2 | Orbis Allan Gray Ltd | 5.75% | 4.2M | $19.4M | −2.9M (−41.0%) | June 30, 2026 |
| 3 | Engaged Capital LLC | 4.75% | 3.4M | $16.0M | — | June 30, 2026 |
| 4 | Citadel Advisors Llc | 4.34% | 3.2M | $14.7M | +2.6M (+469.5%) | June 30, 2026 |
| 5 | Vanguard Capital Management, LLC | 4.23% | 3.1M | $14.3M | +26,173 (+0.9%) | June 30, 2026 |
| 6 | Marshall Wace Asset Management Ltd | 3.23% | 2.3M | $10.9M | +645,050 (+38.0%) | June 30, 2026 |
| 7 | Zuckerman Investment Group, LLC | 2.83% | 2.0M | $9.6M | −12,427 (−0.6%) | June 30, 2026 |
| 8 | Geode Capital Management, LLC | 2.50% | 1.8M | $8.5M | +144,298 (+8.6%) | June 30, 2026 |
| 9 | State Street Corp | 2.01% | 1.5M | $6.8M | +166,617 (+12.9%) | June 30, 2026 |
| 10 | The Goldman Sachs Group Inc | 1.96% | 1.4M | $6.6M | +433,889 (+44.0%) | June 30, 2026 |
| 11 | Blair William & Co | 1.71% | 1.2M | $5.8M | +129,590 (+11.6%) | June 30, 2026 |
| 12 | Millennium Management LLC | 1.70% | 1.2M | $5.7M | +608,172 (+97.9%) | June 30, 2026 |
| 13 | AQR Capital Management LLC | 1.49% | 1.1M | $5.0M | +772,499 (+251.3%) | June 30, 2026 |
| 14 | Berkshire Partners LLC | 1.44% | 1.0M | $4.9M | — | June 30, 2026 |
| 15 | Morgan Stanley - Brokerage Accounts | 1.02% | 736K | $3.4M | +125,169 (+20.5%) | June 30, 2026 |
| 16 | Hotchkis & Wiley Capital Management LLC | 1.01% | 734K | $3.4M | +132,200 (+22.0%) | June 30, 2026 |
| 17 | Vanguard Portfolio Management, LLC | 0.97% | 705K | $3.3M | +83,336 (+13.4%) | June 30, 2026 |
| 18 | Susquehanna International Group, LLP | 0.88% | 637K | $3.0M | −157,552 (−19.8%) | June 30, 2026 |
| 19 | Charles Schwab Investment Management Inc | 0.88% | 635K | $3.0M | +4,489 (+0.7%) | June 30, 2026 |
| 20 | Northern Trust Corp | 0.76% | 553K | $2.6M | +31,161 (+6.0%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 14 holders added 5.9M shares and 4 cut 3.3M.
PTLO top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Orbis SICAV Global Bal Instl Inv | 3.43% | 2.5M | $11.6M | — | March 31, 2026 |
| 2 | Vanguard MStar Total Stk Mkt Idx Invest | 2.96% | 2.1M | $10.0M | — | August 31, 2026 |
| 3 | iShares Russell 2000 ETF | 2.41% | 1.8M | $8.2M | −20,160 (−1.1%) | September 30, 2026 |
| 4 | Orbis OEIC Global Balanced Fixed Fee | 1.26% | 915K | $4.3M | — | March 31, 2026 |
| 5 | Fidelity Small Cap Index | 1.01% | 733K | $3.4M | +1,360 (+0.2%) | July 31, 2026 |
| 6 | Goldman Sachs Small Cp Val Insghts Instl | 0.99% | 714K | $3.3M | +472,111 (+195.0%) | July 31, 2026 |
| 7 | iShares Russell 2000 Value ETF | 0.84% | 612K | $2.8M | +928 (+0.2%) | September 30, 2026 |
| 8 | Goldman Sachs Small Cap Eq Insghts Instl | 0.66% | 480K | $2.2M | +313,274 (+187.7%) | July 31, 2026 |
| 9 | GS US Sm Cp CORE Eq Base Inc USD Snap | 0.54% | 393K | $1.8M | +159,811 (+68.4%) | July 31, 2026 |
| 10 | Schwab US Small-Cap ETF™ | 0.54% | 389K | $1.8M | +261 (+0.1%) | September 30, 2026 |
| 11 | Vanguard Russell 2000 ETF | 0.53% | 387K | $1.8M | +9,618 (+2.6%) | August 31, 2026 |
| 12 | Fidelity Extended Market Index | 0.52% | 375K | $1.7M | +14,679 (+4.1%) | August 31, 2026 |
| 13 | EA Bridgeway Omni Small-Cap Value ETF | 0.41% | 297K | $1.4M | — | September 30, 2026 |
| 14 | Vanguard Consumer Discretionary ETF | 0.34% | 250K | $1.2M | +1,776 (+0.7%) | August 31, 2026 |
| 15 | Invesco RAFI US 1500 Small-Mid ETF | 0.34% | 247K | $1.2M | — | September 30, 2026 |
| 16 | Hotchkis & Wiley Sm Cp Divers Val I | 0.27% | 195K | $906,836 | — | August 31, 2026 |
| 17 | Dimensional US Small Cap Value ETF | 0.25% | 179K | $833,786 | +13,057 (+7.9%) | September 24, 2026 |
| 18 | Schwab Small Cap Index | 0.23% | 165K | $770,722 | — | August 31, 2026 |
| 19 | Stt Strt SPDR® Russell2000 US SmCapETF | 0.19% | 140K | $654,036 | +6,720 (+5.0%) | August 31, 2026 |
| 20 | Fidelity Total Market Index | 0.18% | 131K | $609,146 | +1,252 (+1.0%) | August 31, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
PTLO insider transactions
latest 7| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2026-03-13 | Eugene I Lee Jr | Buy | $5.18 | 286,000 | $1.5M |
| 2025-08-11 | Michael Osanloo | Buy | $8.00 | 2,000 | $16,000 |
| 2025-08-08 | Michael Osanloo | Buy | $7.42 | 11,320 | $83,994 |
| 2025-08-07 | Eugene I Lee Jr | Buy | $7.68 | 130,250 | $1.0M |
| 2025-08-07 | Kelly M Kaiser | Buy | $7.68 | 27,000 | $207,360 |
| 2025-08-07 | Michelle Greig Hook | Buy | $7.67 | 40,000 | $306,800 |
| 2025-05-19 | Berkshire Partners Llc | Sell | $12.23 | 10,000,000 | $122.3M |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
PTLO shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns PTLO
Institutional investors own 67.3% of Portillo's's shares and insiders 8.02%. The largest holder is BlackRock Inc with 6.77% of the shares (4.9M), as of June 30, 2026. Among the top 20 institutions, 14 added shares and 4 reduced their stake in the latest filings. Short interest is 15.52% of the float, or 7.34 days of average trading volume. The share count rose 39.4% since 2019.
Related: PTLO analyst forecast, PTLO key metrics. See the PTLO stock overview for the latest quote and news.
PTLO ownership FAQ
Who owns the most Portillo's stock?
The largest shareholders of Portillo's are BlackRock Inc (6.77%), Orbis Allan Gray Ltd (5.75%), Engaged Capital LLC (4.75%), Citadel Advisors Llc (4.34%), Vanguard Capital Management, LLC (4.23%).
What percentage of Portillo's is owned by institutions?
Institutions hold 67.3% of Portillo's's shares outstanding; insiders hold 8.02%.
Which funds own Portillo's?
The largest fund holders of Portillo's are Orbis SICAV Global Bal Instl Inv (3.43%), Vanguard MStar Total Stk Mkt Idx Invest (2.96%), iShares Russell 2000 ETF (2.41%), Orbis OEIC Global Balanced Fixed Fee (1.26%), Fidelity Small Cap Index (1.01%).
What is Portillo's's short interest?
10.5M shares of Portillo's were sold short, 15.52% of the float; at the average daily volume it would take 7.34 days to cover.
Are insiders buying or selling Portillo's?
Of the latest 7 reported insider transactions in Portillo's (since May 19, 2025), 6 were purchases and 1 were sales.
How many shares of Portillo's are outstanding?
Portillo's has 72.5M shares outstanding, of which 67.5M are in the public float.